Open-weight AI model licence mix, 2024-2025

Ten major open-weight model families by release terms, 2024-2025, share of families.

What the Data Shows

Open-weight AI model licence categories are compared for 10 major model families released in 2024-2025. The composition uses four licence buckets, with each segment counted as a family-level release term within the 10-family scope. Apache 2.0 is the largest bucket at 4 families, while MIT adds 2 more permissive-licence families. Custom, community and noncommercial terms account for the remaining 4 families, so the figures should not be read as a census of all open-weight releases.

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Data table

Apache 2.0 40

Custom or community licence 30

MIT 20

Noncommercial 10

Families reviewed 10

Sources

Source 1: Meta

Publisher: Meta

Dataset/table: Llama 4 license/model card

Units: licence and modality disclosure

Date checked: 2026-05-24

Evidence: Supports Llama 4 as a Meta open-weight family under the Llama 4 Community License.

Source 2: Google DeepMind / Google

Publisher: Google DeepMind / Google

Dataset/table: Gemma 3 model card

Units: licence and modality disclosure

Date checked: 2026-05-24

Evidence: Supports Gemma 3 as a Google open-weight family governed by Gemma Terms of Use.

Source 3: Microsoft

Publisher: Microsoft

Dataset/table: Phi-4-multimodal-instruct model card

Units: licence and modality disclosure

Date checked: 2026-05-24

Evidence: Supports Phi-4 multimodal as a Microsoft open-weight model family under the MIT license.

Source 4: IBM

Publisher: IBM

Dataset/table: Granite-3.3-8B-Instruct model card

Units: licence and model-purpose disclosure

Date checked: 2026-05-24

Evidence: Supports IBM Granite 3.3 as an Apache 2.0 language-model release.

Source 5: Allen Institute for AI

Publisher: Allen Institute for AI

Dataset/table: OLMo 2 model card

Units: licence and model-purpose disclosure

Date checked: 2026-05-24

Evidence: Supports OLMo 2 as an Apache 2.0 open model family.

Source 6: Mistral AI

Publisher: Mistral AI

Dataset/table: Mistral Small 3.1 model card

Units: licence and modality disclosure

Date checked: 2026-05-24

Evidence: Supports Mistral Small 3.1 as an Apache 2.0 multimodal model family.

Source 7: Qwen / Alibaba Cloud

Publisher: Qwen / Alibaba Cloud

Dataset/table: Qwen3 model card

Units: licence and model-purpose disclosure

Date checked: 2026-05-24

Evidence: Supports Qwen3 as an Alibaba/Qwen open-weight family under Apache 2.0.

Source 8: DeepSeek AI

Publisher: DeepSeek AI

Dataset/table: DeepSeek-R1 model card

Units: licence and model-purpose disclosure

Date checked: 2026-05-24

Evidence: Supports DeepSeek-R1 as a MIT-licensed open-weight reasoning model family.

Source 9: Technology Innovation Institute

Publisher: Technology Innovation Institute

Dataset/table: Falcon3 model card

Units: licence, training-data and model-purpose disclosure

Date checked: 2026-05-24

Evidence: Supports Falcon 3 as a TII open-weight family under the TII Falcon-LLM License.

Source 10: Cohere Labs

Publisher: Cohere Labs

Dataset/table: Aya Expanse 8B model card

Units: licence and modality disclosure

Date checked: 2026-05-24

Evidence: Supports Aya Expanse 8B as a Cohere Labs open-weight research release under a noncommercial licence.

Data notes & caveats

The denominator is a curated 10-family scope with official model-card or licence evidence. Licence categories are grouped at model-family level and do not count downstream variants, quantizations or derivative releases.

Methodology

Rows were grouped from official model cards and licence pages. Shares use the 10 reviewed families as the denominator and are reported only for that scoped comparison.

Source consistency notes

Rows use 2024-2025 family-level release evidence from official model-card or licence pages. The values are source-labelled because the scope is a curated major-family set rather than an official census.

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